/**
* {@override}
*/
protected function reset(Tokens $tokens)
{
$this->current = null;
$this->result = array();
$this->stack = array();
$this->tokens = $tokens;
$tokens->rewind();
}
/**
* @depends testNext
*/
public function testValid()
{
$this->tokens->next();
$this->assertTrue($this->tokens->valid());
$this->tokens->next();
$this->assertFalse($this->tokens->valid());
}
/**
* {@inheritDoc}
*
* @throws Exception
* @throws UnexpectedTokenException If the token is not expected.
*/
public function current()
{
$token = parent::current();
$offset = $this->key();
$before = isset($this[$offset - 1]) ? $this[$offset - 1] : null;
// is it an unused token?
if (false === self::$sequences[$token[0]]) {
throw UnexpectedTokenException::create('Token #%d (%d) is not used by this library.', $offset, $token[0]);
// not in the list of expected tokens?
} elseif (empty($before) && DocLexer::T_AT !== $token[0] || $before && !isset(self::$sequences[$token[0]][$before[0]])) {
throw UnexpectedTokenException::create('Token #%d (%d) is not expected here.', $offset, $token[0]);
// before token has another before requirement?
} elseif (isset(self::$sequences[$token[0]][$before[0]]) && true !== self::$sequences[$token[0]][$before[0]]) {
$ancestor = isset($this[$offset - 2]) ? $this[$offset - 2] : null;
if (!$ancestor || $ancestor[0] !== self::$sequences[$token[0]][$before[0]]) {
throw UnexpectedTokenException::create('Token #%d (%d) is not expected here.', $offset, $token[0]);
}
}
return $token;
}
/**
* {@inheritDoc}
*/
protected function reset(Tokens $tokens)
{
$this->level = 0;
$this->result = '';
$this->tokens = $tokens;
$tokens->rewind();
}